Thermal-print ribbons and method of making same

Details Thermal-print ribbons and method of making same Thermal-print ribbons and method of making same

1988-08-19

1990-08-21

Morgenstern, Norman

Coating processes

Transfer or copy sheet making

Decal or embossing foil type

427146, 428195, 428207, 428484, 4284881, 428914, 428913, 400120, 400241, 106271, B41M 312

Patent

active

049505017

ABSTRACT:
A method of making a thermal-transfer ribbon for thermal printing in which an aqueous dispersion of the thermoplastic binder substance, a fat-soluble dyestuff and a wax or waxlike substance is formed. The dispersion is coated onto a foil or other carrier for the ribbon and water is evaporated. The coating is then subjected to a thermal treatment to melt the wax and dissolve the dyestuff therein prior to thermotransfer to a substrate.

REFERENCES:
patent: 4820551 (1989-04-01), Krauter et al.
patent: 4837199 (1989-06-01), Morishita et al.

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